
Sawaira Ghaffar
Senior Full Stack Developer React Nodejs AWS Cloud Microservices
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Portfólio
Experiência profissional
Senior Full Stack Developer
Wordpress Developer • Freelance
Feb 2021 - Present • 5 yrs 3 mos
I specialize in building scalable, production-ready web applications for startups, agencies, and enterprise clients. My role involves end-to-end ownership of application architecture, development, deployment, and optimization. Key responsibilities and achievements: Designed and developed full-stack web applications using React, Next.js, Node.js, and Express.js Built scalable backend systems and RESTful APIs supporting high-traffic applications Developed responsive and performance-optimized front-end interfaces with modern UI/UX practices Worked extensively with databases including MongoDB, MySQL, and Microsoft SQL Server, ensuring optimized queries and efficient data modeling Implemented authentication systems (JWT, OAuth) and role-based access control for secure applications Deployed and maintained applications on AWS (EC2, S3, Lambda) using Docker and CI/CD pipelines Improved application performance through code optimization, caching strategies, and database tuning Collaborated with clients to translate business requirements into technical solutions and scalable architectures Provided ongoing maintenance, debugging, and feature enhancements for existing production systems